lkdtm/bugs.c:94:2: error: format '%d' expects argument of type 'int', but argument 2 has type 'long unsigned int' [-Werror=format=]
pr_info("Calling function with %d frame size to depth %d ...\n",
^
THREAD_SIZE is defined as a unsigned long, cast CONFIG_FRAME_WARN to
unsigned long as well.
Fixes: 24cccab42c ("lkdtm/bugs: Adjust recursion test to avoid elision")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Acked-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20190827173619.170065-1-rrangel@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
A single fix for the altera-ps-spi driver that fixes the behavior when
the driver receives -EPROBE_DEFER when trying to obtain a GPIO desc.
Signed-off-by: Moritz Fischer <mdf@kernel.org>
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Merge tag 'fpga-fixes-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga into char-misc-linus
Moritz writes:
FPGA Manager fixes for 5.3
A single fix for the altera-ps-spi driver that fixes the behavior when
the driver receives -EPROBE_DEFER when trying to obtain a GPIO desc.
Signed-off-by: Moritz Fischer <mdf@kernel.org>
* tag 'fpga-fixes-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga:
fpga: altera-ps-spi: Fix getting of optional confd gpio
Thomas and I seem to have become the "unofficial" maintainers for these
files and questions about SPDX things. So let's make it official.
Reported-by: "Darrick J. Wong" <darrick.wong@oracle.com>
Grumpily-acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Darrick J. Wong <darrick.wong@oracle.com>
Link: https://lore.kernel.org/r/20190827195310.GA30618@kroah.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
- Fix GICv2 emulation bug (KVM)
- Fix deadlock in virtual GIC interrupt injection code (KVM)
- Fix kprobes blacklist init failure due to broken kallsyms lookup
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"Hot on the heels of our last set of fixes are a few more for -rc7.
Two of them are fixing issues with our virtual interrupt controller
implementation in KVM/arm, while the other is a longstanding but
straightforward kallsyms fix which was been acked by Masami and
resolves an initialisation failure in kprobes observed on arm64.
- Fix GICv2 emulation bug (KVM)
- Fix deadlock in virtual GIC interrupt injection code (KVM)
- Fix kprobes blacklist init failure due to broken kallsyms lookup"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
KVM: arm/arm64: vgic-v2: Handle SGI bits in GICD_I{S,C}PENDR0 as WI
KVM: arm/arm64: vgic: Fix potential deadlock when ap_list is long
kallsyms: Don't let kallsyms_lookup_size_offset() fail on retrieving the first symbol
The de-init routine should be doing the following in order:-
1. Unregister the drm device
2. Shut down the crtcs - failing to do this might cause a connector leakage
See the 'commit 109c4d18e5 ("drm/arm/malidp: Ensure that the crtcs are
shutdown before removing any encoder/connector")'
3. Disable the interrupts
4. Unbind the components
5. Free up DRM mode_config info
Changes from v1:-
1. Re-ordered the header files inclusion
2. Rebased on top of the latest drm-misc-fixes
Signed-off-by:. Ayan Kumar Halder <Ayan.Halder@arm.com>
Reviewed-by: Mihail Atanassov <mihail.atanassov@arm.com>
Reviewed-by: James Qian Wang (Arm Technology China) <james.qian.wang@arm.com>
Link: https://patchwork.freedesktop.org/patch/327606/
One of the very few warnings I have in the current build comes from
arch/x86/boot/edd.c, where I get the following with a gcc9 build:
arch/x86/boot/edd.c: In function ‘query_edd’:
arch/x86/boot/edd.c:148:11: warning: taking address of packed member of ‘struct boot_params’ may result in an unaligned pointer value [-Waddress-of-packed-member]
148 | mbrptr = boot_params.edd_mbr_sig_buffer;
| ^~~~~~~~~~~
This warning triggers because we throw away all the CFLAGS and then make
a new set for REALMODE_CFLAGS, so the -Wno-address-of-packed-member we
added in the following commit is not present:
6f303d6053 ("gcc-9: silence 'address-of-packed-member' warning")
The simplest solution for now is to adjust the warning for this version
of CFLAGS as well, but it would definitely make sense to examine whether
REALMODE_CFLAGS could be derived from CFLAGS, so that it picks up changes
in the compiler flags environment automatically.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Acked-by: Borislav Petkov <bp@alien8.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Walking the address list of an inet6_dev requires
appropriate locking. Since the called function
siw_listen_address() may sleep, we have to use
rtnl_lock() instead of read_lock_bh().
Also introduces sanity checks if we got a device
from in_dev_get() or in6_dev_get().
Reported-by: Bart Van Assche <bvanassche@acm.org>
Fixes: 6c52fdc244 ("rdma/siw: connection management")
Signed-off-by: Bernard Metzler <bmt@zurich.ibm.com>
Link: https://lore.kernel.org/r/20190828130355.22830-1-bmt@zurich.ibm.com
Signed-off-by: Doug Ledford <dledford@redhat.com>
The parent image is read only up to the overlap point, the rest of
the buffer should be zeroed. This snuck in because as it turns out
the overlap test case has not been triggering this code path for
a while now.
Fixes: a9b67e6994 ("rbd: replace obj_req->tried_parent with obj_req->read_state")
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Jason Dillaman <dillaman@redhat.com>
In set_secret(), key->tfm is assigned to NULL on line 55, and then
ceph_crypto_key_destroy(key) is executed.
ceph_crypto_key_destroy(key)
crypto_free_sync_skcipher(key->tfm)
crypto_free_skcipher(&tfm->base);
This happens to work because crypto_sync_skcipher is a trivial wrapper
around crypto_skcipher: &tfm->base is still 0 and crypto_free_skcipher()
handles that. Let's not rely on the layout of crypto_sync_skcipher.
This bug is found by a static analysis tool STCheck written by us.
Fixes: 69d6302b65 ("libceph: Remove VLA usage of skcipher").
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
A guest is not allowed to inject a SGI (or clear its pending state)
by writing to GICD_ISPENDR0 (resp. GICD_ICPENDR0), as these bits are
defined as WI (as per ARM IHI 0048B 4.3.7 and 4.3.8).
Make sure we correctly emulate the architecture.
Fixes: 96b298000d ("KVM: arm/arm64: vgic-new: Add PENDING registers handlers")
Cc: stable@vger.kernel.org # 4.7+
Reported-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
Vladimir Rutsky reported stuck TCP sessions after memory pressure
events. Edge Trigger epoll() user would never receive an EPOLLOUT
notification allowing them to retry a sendmsg().
Jason tested the case of sk_stream_alloc_skb() returning NULL,
but there are other paths that could lead both sendmsg() and sendpage()
to return -1 (EAGAIN), with an empty skb queued on the write queue.
This patch makes sure we remove this empty skb so that
Jason code can detect that the queue is empty, and
call sk->sk_write_space(sk) accordingly.
Fixes: ce5ec44099 ("tcp: ensure epoll edge trigger wakeup when write queue is empty")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Jason Baron <jbaron@akamai.com>
Reported-by: Vladimir Rutsky <rutsky@google.com>
Cc: Soheil Hassas Yeganeh <soheil@google.com>
Cc: Neal Cardwell <ncardwell@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The rds6_inc_info_copy() function has a couple struct members which
are leaking stack information. The ->tos field should hold actual
information and the ->flags field needs to be zeroed out.
Fixes: 3eb450367d ("rds: add type of service(tos) infrastructure")
Fixes: b7ff8b1036 ("rds: Extend RDS API for IPv6 support")
Reported-by: 黄ID蝴蝶 <butterflyhuangxx@gmail.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Ka-Cheong Poon <ka-cheong.poon@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
After witnessing the discussion in https://lkml.org/lkml/2019/8/14/151
w.r.t. ioctl extensibility, it became clear that such an issue might
prevent that the 3 RSV bits inside the DSA 802.1Q tag might also suffer
the same fate and be useless for further extension.
So clearly specify that the reserved bits should currently be
transmitted as zero and ignored on receive. The DSA tagger already does
this (and has always did), and is the only known user so far (no
Wireshark dissection plugin, etc). So there should be no incompatibility
to speak of.
Fixes: 0471dd429c ("net: dsa: tag_8021q: Create a stable binary format")
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 34786005ec ("net: phy: prevent PHYs w/o Clause 22 regs from calling
genphy_config_aneg") introduced a check that aborts phy_config_aneg()
if the phy is a C45 phy.
This causes phy_state_machine() to call phy_error() so that the phy
ends up in PHY_HALTED state.
Instead of returning -EOPNOTSUPP, call genphy_c45_config_aneg()
(analogous to the C22 case) so that the state machine can run
correctly.
genphy_c45_config_aneg() closely resembles mv3310_config_aneg()
in drivers/net/phy/marvell10g.c, excluding vendor specific
configurations for 1000BaseT.
Fixes: 22b56e8270 ("net: phy: replace genphy_10g_driver with genphy_c45_driver")
Signed-off-by: Marco Hartmann <marco.hartmann@nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Using strscpy is cleaner, and avoids some problems with
handling maximum length strings. Linus noticed the
original problem and Aurelien pointed out some additional
problems. Fortunately most of this is SMB1 code (and
in particular the ASCII string handling older, which
is less common).
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
The net pointer in struct xt_tgdtor_param is not explicitly
initialized therefore is still NULL when dereferencing it.
So we have to find a way to pass the correct net pointer to
ipt_destroy_target().
The best way I find is just saving the net pointer inside the per
netns struct tcf_idrinfo, which could make this patch smaller.
Fixes: 0c66dc1ea3 ("netfilter: conntrack: register hooks in netns when needed by ruleset")
Reported-and-tested-by: itugrok@yahoo.com
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It's safer to zero out the password so that it can never be disclosed.
Fixes: 0c219f5799c7 ("cifs: set domainName when a domain-key is used in multiuser")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
RHBZ: 1710429
When we use a domain-key to authenticate using multiuser we must also set
the domainnmame for the new volume as it will be used and passed to the server
in the NTLMSSP Domain-name.
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Highlights include:
Stable fixes:
- Fix a page lock leak in nfs_pageio_resend()
- Ensure O_DIRECT reports an error if the bytes read/written is 0
- Don't handle errors if the bind/connect succeeded
- Revert "NFSv4/flexfiles: Abort I/O early if the layout segment was invalidat
ed"
Bugfixes:
- Don't refresh attributes with mounted-on-file information
- Fix return values for nfs4_file_open() and nfs_finish_open()
- Fix pnfs layoutstats reporting of I/O errors
- Don't use soft RPC calls for pNFS/flexfiles I/O, and don't abort for
soft I/O errors when the user specifies a hard mount.
- Various fixes to the error handling in sunrpc
- Don't report writepage()/writepages() errors twice.
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Merge tag 'nfs-for-5.3-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client bugfixes from Trond Myklebust:
"Highlights include:
Stable fixes:
- Fix a page lock leak in nfs_pageio_resend()
- Ensure O_DIRECT reports an error if the bytes read/written is 0
- Don't handle errors if the bind/connect succeeded
- Revert "NFSv4/flexfiles: Abort I/O early if the layout segment was
invalidat ed"
Bugfixes:
- Don't refresh attributes with mounted-on-file information
- Fix return values for nfs4_file_open() and nfs_finish_open()
- Fix pnfs layoutstats reporting of I/O errors
- Don't use soft RPC calls for pNFS/flexfiles I/O, and don't abort
for soft I/O errors when the user specifies a hard mount.
- Various fixes to the error handling in sunrpc
- Don't report writepage()/writepages() errors twice"
* tag 'nfs-for-5.3-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFS: remove set but not used variable 'mapping'
NFSv2: Fix write regression
NFSv2: Fix eof handling
NFS: Fix writepage(s) error handling to not report errors twice
NFS: Fix spurious EIO read errors
pNFS/flexfiles: Don't time out requests on hard mounts
SUNRPC: Handle connection breakages correctly in call_status()
Revert "NFSv4/flexfiles: Abort I/O early if the layout segment was invalidated"
SUNRPC: Handle EADDRINUSE and ENOBUFS correctly
pNFS/flexfiles: Turn off soft RPC calls
SUNRPC: Don't handle errors if the bind/connect succeeded
NFS: On fatal writeback errors, we need to call nfs_inode_remove_request()
NFS: Fix initialisation of I/O result struct in nfs_pgio_rpcsetup
NFS: Ensure O_DIRECT reports an error if the bytes read/written is 0
NFSv4/pnfs: Fix a page lock leak in nfs_pageio_resend()
NFSv4: Fix return value in nfs_finish_open()
NFSv4: Fix return values for nfs4_file_open()
NFS: Don't refresh attributes with mounted-on-file information
Don't advance RIP or inject a single-step #DB if emulation signals a
fault. This logic applies to all state updates that are conditional on
clean retirement of the emulation instruction, e.g. updating RFLAGS was
previously handled by commit 38827dbd3f ("KVM: x86: Do not update
EFLAGS on faulting emulation").
Not advancing RIP is likely a nop, i.e. ctxt->eip isn't updated with
ctxt->_eip until emulation "retires" anyways. Skipping #DB injection
fixes a bug reported by Andy Lutomirski where a #UD on SYSCALL due to
invalid state with EFLAGS.TF=1 would loop indefinitely due to emulation
overwriting the #UD with #DB and thus restarting the bad SYSCALL over
and over.
Cc: Nadav Amit <nadav.amit@gmail.com>
Cc: stable@vger.kernel.org
Reported-by: Andy Lutomirski <luto@kernel.org>
Fixes: 663f4c61b8 ("KVM: x86: handle singlestep during emulation")
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
If kvm_intel is loaded with nested=0 parameter an attempt to perform
KVM_GET_SUPPORTED_HV_CPUID results in OOPS as nested_get_evmcs_version hook
in kvm_x86_ops is NULL (we assign it in nested_vmx_hardware_setup() and
this only happens in case nested is enabled).
Check that kvm_x86_ops->nested_get_evmcs_version is not NULL before
calling it. With this, we can remove the stub from svm as it is no
longer needed.
Cc: <stable@vger.kernel.org>
Fixes: e2e871ab2f ("x86/kvm/hyper-v: Introduce nested_get_evmcs_version() helper")
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
- Support for Edge Triggered IRQs in ARC IDU intc
- other fixes here and there
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Merge tag 'arc-5.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC updates from Vineet Gupta:
- support for Edge Triggered IRQs in ARC IDU intc
- other fixes here and there
* tag 'arc-5.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
arc: prefer __section from compiler_attributes.h
dt-bindings: IDU-intc: Add support for edge-triggered interrupts
dt-bindings: IDU-intc: Clean up documentation
ARCv2: IDU-intc: Add support for edge-triggered interrupts
ARC: unwind: Mark expected switch fall-throughs
ARC: [plat-hsdk]: allow to switch between AXI DMAC port configurations
ARC: fix typo in setup_dma_ops log message
ARCv2: entry: early return from exception need not clear U & DE bits
A collection of small fixes as usual:
- More coverage of USB-audio descriptor sanity checks
- A fix for mute LED regression on Conexant HD-audio codecs
- A few device-specific fixes and quirks for USB-audio and HD-audio
- A fix for (die-hard remaining) possible race in sequencer core
- FireWire oxfw regression fix that was introduced in 5.3-rc1
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Merge tag 'sound-5.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small fixes as usual:
- More coverage of USB-audio descriptor sanity checks
- A fix for mute LED regression on Conexant HD-audio codecs
- A few device-specific fixes and quirks for USB-audio and HD-audio
- A fix for (die-hard remaining) possible race in sequencer core
- FireWire oxfw regression fix that was introduced in 5.3-rc1"
* tag 'sound-5.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: oxfw: fix to handle correct stream for PCM playback
ALSA: seq: Fix potential concurrent access to the deleted pool
ALSA: usb-audio: Check mixer unit bitmap yet more strictly
ALSA: line6: Fix memory leak at line6_init_pcm() error path
ALSA: usb-audio: Fix invalid NULL check in snd_emuusb_set_samplerate()
ALSA: hda/ca0132 - Add new SBZ quirk
ALSA: usb-audio: Add implicit fb quirk for Behringer UFX1604
ALSA: hda - Fixes inverted Conexant GPIO mic mute led
For picasso(adev->pdev->device == 0x15d8)&raven2(adev->rev_id >= 0x8),
firmware is sufficient to support gfxoff.
In commit 98f58ada2d, for picasso&raven2,
return directly and cause gfxoff disabled.
Fixes: 98f58ada2d ("drm/amdgpu/gfx9: update pg_flags after determining if gfx off is possible")
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Aaron Liu <aaron.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Needs ATPX rather than _PR3 to really turn off the dGPU. This can save
~5W when dGPU is runtime-suspended.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Correct the settings for auto mode and skip the unnecessary
settings for dcefclk and fclk.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Pull networking fixes from David Miller:
1) Use 32-bit index for tails calls in s390 bpf JIT, from Ilya
Leoshkevich.
2) Fix missed EPOLLOUT events in TCP, from Eric Dumazet. Same fix for
SMC from Jason Baron.
3) ipv6_mc_may_pull() should return 0 for malformed packets, not
-EINVAL. From Stefano Brivio.
4) Don't forget to unpin umem xdp pages in error path of
xdp_umem_reg(). From Ivan Khoronzhuk.
5) Fix sta object leak in mac80211, from Johannes Berg.
6) Fix regression by not configuring PHYLINK on CPU port of bcm_sf2
switches. From Florian Fainelli.
7) Revert DMA sync removal from r8169 which was causing regressions on
some MIPS Loongson platforms. From Heiner Kallweit.
8) Use after free in flow dissector, from Jakub Sitnicki.
9) Fix NULL derefs of net devices during ICMP processing across
collect_md tunnels, from Hangbin Liu.
10) proto_register() memory leaks, from Zhang Lin.
11) Set NLM_F_MULTI flag in multipart netlink messages consistently,
from John Fastabend.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (66 commits)
r8152: Set memory to all 0xFFs on failed reg reads
openvswitch: Fix conntrack cache with timeout
ipv4: mpls: fix mpls_xmit for iptunnel
nexthop: Fix nexthop_num_path for blackhole nexthops
net: rds: add service level support in rds-info
net: route dump netlink NLM_F_MULTI flag missing
s390/qeth: reject oversized SNMP requests
sock: fix potential memory leak in proto_register()
MAINTAINERS: Add phylink keyword to SFF/SFP/SFP+ MODULE SUPPORT
xfrm/xfrm_policy: fix dst dev null pointer dereference in collect_md mode
ipv4/icmp: fix rt dst dev null pointer dereference
openvswitch: Fix log message in ovs conntrack
bpf: allow narrow loads of some sk_reuseport_md fields with offset > 0
bpf: fix use after free in prog symbol exposure
bpf: fix precision tracking in presence of bpf2bpf calls
flow_dissector: Fix potential use-after-free on BPF_PROG_DETACH
Revert "r8169: remove not needed call to dma_sync_single_for_device"
ipv6: propagate ipv6_add_dev's error returns out of ipv6_find_idev
net/ncsi: Fix the payload copying for the request coming from Netlink
qed: Add cleanup in qed_slowpath_start()
...
When I merged the extension sysctl tables with the main one I forgot to
reset them on netns creation. They currently read/write init_net settings.
Fixes: d912dec124 ("netfilter: conntrack: merge acct and helper sysctl table with main one")
Fixes: cb2833ed00 ("netfilter: conntrack: merge ecache and timestamp sysctl tables with main one")
Reported-by: Shmulik Ladkani <shmulik.ladkani@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
If the ap_list is longer than 256 entries, merge_final() in list_sort()
will call the comparison callback with the same element twice, causing
a deadlock in vgic_irq_cmp().
Fix it by returning early when irqa == irqb.
Cc: stable@vger.kernel.org # 4.7+
Fixes: 8e44474579 ("KVM: arm/arm64: vgic-new: Add IRQ sorting")
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Heyi Guo <guoheyi@huawei.com>
[maz: massaged commit log and patch, added Fixes and Cc-stable]
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
An arm64 kernel configured with
CONFIG_KPROBES=y
CONFIG_KALLSYMS=y
# CONFIG_KALLSYMS_ALL is not set
CONFIG_KALLSYMS_BASE_RELATIVE=y
reports the following kprobe failure:
[ 0.032677] kprobes: failed to populate blacklist: -22
[ 0.033376] Please take care of using kprobes.
It appears that kprobe fails to retrieve the symbol at address
0xffff000010081000, despite this symbol being in System.map:
ffff000010081000 T __exception_text_start
This symbol is part of the first group of aliases in the
kallsyms_offsets array (symbol names generated using ugly hacks in
scripts/kallsyms.c):
kallsyms_offsets:
.long 0x1000 // do_undefinstr
.long 0x1000 // efi_header_end
.long 0x1000 // _stext
.long 0x1000 // __exception_text_start
.long 0x12b0 // do_cp15instr
Looking at the implementation of get_symbol_pos(), it returns the
lowest index for aliasing symbols. In this case, it return 0.
But kallsyms_lookup_size_offset() considers 0 as a failure, which
is obviously wrong (there is definitely a valid symbol living there).
In turn, the kprobe blacklisting stops abruptly, hence the original
error.
A CONFIG_KALLSYMS_ALL kernel wouldn't fail as there is always
some random symbols at the beginning of this array, which are never
looked up via kallsyms_lookup_size_offset.
Fix it by considering that get_symbol_pos() is always successful
(which is consistent with the other uses of this function).
Fixes: ffc5089196 ("[PATCH] Create kallsyms_lookup_size_offset()")
Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Will Deacon <will@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
Fixes gcc '-Wunused-but-set-variable' warning:
fs/nfs/write.c: In function nfs_page_async_flush:
fs/nfs/write.c:609:24: warning: variable mapping set but not used [-Wunused-but-set-variable]
It is not use since commit aefb623c422e ("NFS: Fix
writepage(s) error handling to not report errors twice")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Ensure we update the write result count on success, since the
RPC call itself does not do so.
Reported-by: Jan Stancek <jstancek@redhat.com>
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Tested-by: Jan Stancek <jstancek@redhat.com>
If we received a reply from the server with a zero length read and
no error, then that implies we are at eof.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Avoids:
../drivers/mfd/rk808.c:771:1: warning: symbol 'rk8xx_pm_ops' \
was not declared. Should it be static?
Fixes: 5752bc4373 ("mfd: rk808: Mark pm functions __maybe_unused")
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The find_pattern() debug output was printing the 'skip' character.
This can be a NULL-byte and messes up further pr_debug() output.
Output without the fix:
kernel: nf_conntrack_ftp: Pattern matches!
kernel: nf_conntrack_ftp: Skipped up to `<7>nf_conntrack_ftp: find_pattern `PORT': dlen = 8
kernel: nf_conntrack_ftp: find_pattern `EPRT': dlen = 8
Output with the fix:
kernel: nf_conntrack_ftp: Pattern matches!
kernel: nf_conntrack_ftp: Skipped up to 0x0 delimiter!
kernel: nf_conntrack_ftp: Match succeeded!
kernel: nf_conntrack_ftp: conntrack_ftp: match `172,17,0,100,200,207' (20 bytes at 4150681645)
kernel: nf_conntrack_ftp: find_pattern `PORT': dlen = 8
Signed-off-by: Thomas Jarosch <thomas.jarosch@intra2net.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Simplify the check in physdev_mt_check() to emit an error message
only when passed an invalid chain (ie, NF_INET_LOCAL_OUT).
This avoids cluttering up the log with errors against valid rules.
For large/heavily modified rulesets, current behavior can quickly
overwhelm the ring buffer, because this function gets called on
every change, regardless of the rule that was changed.
Signed-off-by: Todd Seidelmann <tseidelmann@linode.com>
Acked-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
The in-place decryption routines in AF_RXRPC's rxkad security module
currently call skb_cow_data() to make sure the data isn't shared and that
the skb can be written over. This has a problem, however, as the softirq
handler may be still holding a ref or the Rx ring may be holding multiple
refs when skb_cow_data() is called in rxkad_verify_packet() - and so
skb_shared() returns true and __pskb_pull_tail() dislikes that. If this
occurs, something like the following report will be generated.
kernel BUG at net/core/skbuff.c:1463!
...
RIP: 0010:pskb_expand_head+0x253/0x2b0
...
Call Trace:
__pskb_pull_tail+0x49/0x460
skb_cow_data+0x6f/0x300
rxkad_verify_packet+0x18b/0xb10 [rxrpc]
rxrpc_recvmsg_data.isra.11+0x4a8/0xa10 [rxrpc]
rxrpc_kernel_recv_data+0x126/0x240 [rxrpc]
afs_extract_data+0x51/0x2d0 [kafs]
afs_deliver_fs_fetch_data+0x188/0x400 [kafs]
afs_deliver_to_call+0xac/0x430 [kafs]
afs_wait_for_call_to_complete+0x22f/0x3d0 [kafs]
afs_make_call+0x282/0x3f0 [kafs]
afs_fs_fetch_data+0x164/0x300 [kafs]
afs_fetch_data+0x54/0x130 [kafs]
afs_readpages+0x20d/0x340 [kafs]
read_pages+0x66/0x180
__do_page_cache_readahead+0x188/0x1a0
ondemand_readahead+0x17d/0x2e0
generic_file_read_iter+0x740/0xc10
__vfs_read+0x145/0x1a0
vfs_read+0x8c/0x140
ksys_read+0x4a/0xb0
do_syscall_64+0x43/0xf0
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Fix this by using skb_unshare() instead in the input path for DATA packets
that have a security index != 0. Non-DATA packets don't need in-place
encryption and neither do unencrypted DATA packets.
Fixes: 248f219cb8 ("rxrpc: Rewrite the data and ack handling code")
Reported-by: Julian Wollrath <jwollrath@web.de>
Signed-off-by: David Howells <dhowells@redhat.com>
Use the previously-added transmit-phase skbuff private flag to simplify the
socket buffer tracing a bit. Which phase the skbuff comes from can now be
divined from the skb rather than having to be guessed from the call state.
We can also reduce the number of rxrpc_skb_trace values by eliminating the
difference between Tx and Rx in the symbols.
Signed-off-by: David Howells <dhowells@redhat.com>
Add a flag in the private data on an skbuff to indicate that this is a
transmission-phase buffer rather than a receive-phase buffer.
Signed-off-by: David Howells <dhowells@redhat.com>
Abstract out rxtx ring cleanup into its own function from its two callers.
This makes it easier to apply the same changes to both.
Signed-off-by: David Howells <dhowells@redhat.com>
Pass the reference held on a DATA skb in the rxrpc input handler into the
Rx ring rather than getting an additional ref for this and then dropping
the original ref at the end.
Signed-off-by: David Howells <dhowells@redhat.com>
Use the information now cached in the skbuff private data to avoid the need
to reparse a jumbo packet. We can find all the subpackets by dead
reckoning, so it's only necessary to note how many there are, whether the
last one is flagged as LAST_PACKET and whether any have the REQUEST_ACK
flag set.
This is necessary as once recvmsg() can see the packet, it can start
modifying it, such as doing in-place decryption.
Fixes: 248f219cb8 ("rxrpc: Rewrite the data and ack handling code")
Signed-off-by: David Howells <dhowells@redhat.com>
